merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 151 insertions, 0 deletions

diff --git a/third_party/git/t/t5401-update-hooks.sh b/third_party/git/t/t5401-update-hooks.sh
new file mode 100755
index 000000000000..956d69f5b177
--- /dev/null
+++ b/third_party/git/t/t5401-update-hooks.sh
@@ -0,0 +1,151 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Shawn O. Pearce
+#
+
+test_description='Test the update hook infrastructure.'
+. ./test-lib.sh
+
+test_expect_success setup '
+	echo This is a test. >a &&
+	git update-index --add a &&
+	tree0=$(git write-tree) &&
+	commit0=$(echo setup | git commit-tree $tree0) &&
+	echo We hope it works. >a &&
+	git update-index a &&
+	tree1=$(git write-tree) &&
+	commit1=$(echo modify | git commit-tree $tree1 -p $commit0) &&
+	git update-ref refs/heads/master $commit0 &&
+	git update-ref refs/heads/tofail $commit1 &&
+	git clone --bare ./. victim.git &&
+	GIT_DIR=victim.git git update-ref refs/heads/tofail $commit1 &&
+	git update-ref refs/heads/master $commit1 &&
+	git update-ref refs/heads/tofail $commit0
+'
+
+cat >victim.git/hooks/pre-receive <<'EOF'
+#!/bin/sh
+printf %s "$@" >>$GIT_DIR/pre-receive.args
+cat - >$GIT_DIR/pre-receive.stdin
+echo STDOUT pre-receive
+echo STDERR pre-receive >&2
+EOF
+chmod u+x victim.git/hooks/pre-receive
+
+cat >victim.git/hooks/update <<'EOF'
+#!/bin/sh
+echo "$@" >>$GIT_DIR/update.args
+read x; printf %s "$x" >$GIT_DIR/update.stdin
+echo STDOUT update $1
+echo STDERR update $1 >&2
+test "$1" = refs/heads/master || exit
+EOF
+chmod u+x victim.git/hooks/update
+
+cat >victim.git/hooks/post-receive <<'EOF'
+#!/bin/sh
+printf %s "$@" >>$GIT_DIR/post-receive.args
+cat - >$GIT_DIR/post-receive.stdin
+echo STDOUT post-receive
+echo STDERR post-receive >&2
+EOF
+chmod u+x victim.git/hooks/post-receive
+
+cat >victim.git/hooks/post-update <<'EOF'
+#!/bin/sh
+echo "$@" >>$GIT_DIR/post-update.args
+read x; printf %s "$x" >$GIT_DIR/post-update.stdin
+echo STDOUT post-update
+echo STDERR post-update >&2
+EOF
+chmod u+x victim.git/hooks/post-update
+
+test_expect_success push '
+	test_must_fail git send-pack --force ./victim.git \
+		master tofail >send.out 2>send.err
+'
+
+test_expect_success 'updated as expected' '
+	test $(GIT_DIR=victim.git git rev-parse master) = $commit1 &&
+	test $(GIT_DIR=victim.git git rev-parse tofail) = $commit1
+'
+
+test_expect_success 'hooks ran' '
+	test -f victim.git/pre-receive.args &&
+	test -f victim.git/pre-receive.stdin &&
+	test -f victim.git/update.args &&
+	test -f victim.git/update.stdin &&
+	test -f victim.git/post-receive.args &&
+	test -f victim.git/post-receive.stdin &&
+	test -f victim.git/post-update.args &&
+	test -f victim.git/post-update.stdin
+'
+
+test_expect_success 'pre-receive hook input' '
+	(echo $commit0 $commit1 refs/heads/master &&
+	 echo $commit1 $commit0 refs/heads/tofail
+	) | test_cmp - victim.git/pre-receive.stdin
+'
+
+test_expect_success 'update hook arguments' '
+	(echo refs/heads/master $commit0 $commit1 &&
+	 echo refs/heads/tofail $commit1 $commit0
+	) | test_cmp - victim.git/update.args
+'
+
+test_expect_success 'post-receive hook input' '
+	echo $commit0 $commit1 refs/heads/master |
+	test_cmp - victim.git/post-receive.stdin
+'
+
+test_expect_success 'post-update hook arguments' '
+	echo refs/heads/master |
+	test_cmp - victim.git/post-update.args
+'
+
+test_expect_success 'all hook stdin is /dev/null' '
+	test_must_be_empty victim.git/update.stdin &&
+	test_must_be_empty victim.git/post-update.stdin
+'
+
+test_expect_success 'all *-receive hook args are empty' '
+	test_must_be_empty victim.git/pre-receive.args &&
+	test_must_be_empty victim.git/post-receive.args
+'
+
+test_expect_success 'send-pack produced no output' '
+	test_must_be_empty send.out
+'
+
+cat <<EOF >expect
+remote: STDOUT pre-receive
+remote: STDERR pre-receive
+remote: STDOUT update refs/heads/master
+remote: STDERR update refs/heads/master
+remote: STDOUT update refs/heads/tofail
+remote: STDERR update refs/heads/tofail
+remote: error: hook declined to update refs/heads/tofail
+remote: STDOUT post-receive
+remote: STDERR post-receive
+remote: STDOUT post-update
+remote: STDERR post-update
+EOF
+test_expect_success 'send-pack stderr contains hook messages' '
+	grep ^remote: send.err | sed "s/ *\$//" >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'pre-receive hook that forgets to read its input' '
+	write_script victim.git/hooks/pre-receive <<-\EOF &&
+	exit 0
+	EOF
+	rm -f victim.git/hooks/update victim.git/hooks/post-update &&
+
+	for v in $(test_seq 100 999)
+	do
+		git branch branch_$v master || return
+	done &&
+	git push ./victim.git "+refs/heads/*:refs/heads/*"
+'
+
+test_done